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Re: [OM] Olympus E-P1 + Zuiko 40 F2

Subject: Re: [OM] Olympus E-P1 + Zuiko 40 F2
From: iwert bernakiewicz <zuikooh@xxxxxxxxx>
Date: Fri, 12 Mar 2010 18:10:20 +0100
Carlos,

there is a 40mm f1.4 and 42mm f1.2 available for the EP system as well :)
both original pen lenses...

Iwert

2010/3/12 Carlos J. Santisteban <zuiko21@xxxxxxxxx>:
> Hi David and all,
>
> From: David Irisarri Vila <div2000@xxxxxxxxxxxxxxxxx>
>>It would be nice to see pictures taken with GF1 + 40/2 using f2 f2.8 f4 but
> also f8 and f16.
>
> It's been a long time, but here's a test. Not very good, but you get the
> idea:
>
> <http://cjss.sytes.net/post/zuiko40f2/>
>
> All files straight from the camera. It's tested at every aperture, although
> the light was changing rapidly. Also a few closeups at the widest apertures
> -- in very dim light!
>
> General comments: as expected, contrast/sharpness is moderate when wide open
> (although with good resolution), but improves a lot already at f/2.8.
> There's not much change in performance or image style from f/4 and beyond...
>
> _Longitudinal_ CA is basically gone by f/4, which is remarkable for any F2
> lens -- they usually need to be stopped down to at least F5.6 to control CA.
>
> There is, however, some _lateral_ CA visible, that won't improve by stopping
> down (optical laws!) but doesn't seem too intrusive to me and, best of all,
> it's easily corrected by software or even a RAW developer -- there's no way
> to improve longitudinal CA in post.
>
> About handling... you already know the aperture ring problem -- I make it
> easier by keeping a Hoya UV all the time. But the adapter to micro4/3 is
> LONGER than the lens itself :-( so the whole system is not very compact.
>
> Compared to competition... the Voigtländer SL Ultron 40/2 (no longer
> available in OM mount) is a better performer of about the same size, but
> focuses only down to 0.38m (vs. 0.3 the Zuiko, remarkable). The _best_ 40/2
> I know for the GF1, in terms of image quality, handling and compact size, is
> the Minolta M-Rokkor (Leica M mount), and the adapter is also way thinner...
> but focuses from 0.75m only -- rangefinder limitations!
>
> Cheers,
> --
> Carlos J. Santisteban Salinas
> IES Turaniana (Roquetas de Mar, Almeria)
> <http://cjss.sytes.net/>
> --
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>
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